A flaw was found in Red Hat Quay's notification webhook feature. The Slack and generic webhook notification handlers accept user-supplied URLs without SSRF validation, allowing a repository administrator to make the Quay worker issue POST requests to internal network addresses or cloud infrastructure endpoints that should not be reachable from the application.
History

Fri, 24 Jul 2026 18:30:00 +0000

Type Values Removed Values Added
References
Metrics threat_severity

None

ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

threat_severity

Moderate


Fri, 24 Jul 2026 07:30:00 +0000

Type Values Removed Values Added
Description A flaw was found in Red Hat Quay's notification webhook feature. The Slack and generic webhook notification handlers accept user-supplied URLs without SSRF validation, allowing a repository administrator to make the Quay worker issue POST requests to internal network addresses or cloud infrastructure endpoints that should not be reachable from the application.
Title Quay: ssrf in red hat quay notification webhooks (slack/generic)
First Time appeared Redhat
Redhat openshift Update Service
Redhat quay
Weaknesses CWE-918
CPEs cpe:/a:redhat:openshift_update_service:5
cpe:/a:redhat:quay:3
Vendors & Products Redhat
Redhat openshift Update Service
Redhat quay
References
Metrics cvssV3_1

{'score': 5.5, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:L/I:L/A:N'}


cve-icon MITRE

Status: PUBLISHED

Assigner: redhat

Published:

Updated: 2026-07-24T10:55:46.478Z

Reserved: 2026-07-24T06:26:22.299Z

Link: CVE-2026-16910

cve-icon Vulnrichment

Updated: 2026-07-24T10:55:39.005Z

cve-icon NVD

No data.

cve-icon Redhat

Severity : Moderate

Publid Date: 2026-07-07T00:00:00Z

Links: CVE-2026-16910 - Bugzilla

cve-icon OpenCVE Enrichment

No data.